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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/67433] ?: expression returns unexpected value when condition is a bool variable which memory is not true/false
Date: Wed, 02 Sep 2015 08:22:00 -0000 [thread overview]
Message-ID: <bug-67433-4-vrsO3a15gR@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-67433-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67433
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to xuejuncao from comment #4)
> btw, the same code works fine on Mac:
>
> $gcc --version
> Configured with: --prefix=/Library/Developer/CommandLineTools/usr
> --with-gxx-include-dir=/usr/include/c++/4.2.1
> Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
> Target: x86_64-apple-darwin14.5.0
> Thread model: posix
So this is undefined behavior.
next prev parent reply other threads:[~2015-09-02 8:22 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-67433-4@http.gcc.gnu.org/bugzilla/>
2015-09-02 7:53 ` xuejuncao at gmail dot com
2015-09-02 7:58 ` pinskia at gcc dot gnu.org
2015-09-02 8:11 ` xuejuncao at gmail dot com
2015-09-02 8:20 ` xuejuncao at gmail dot com
2015-09-02 8:21 ` pinskia at gcc dot gnu.org
2015-09-02 8:22 ` pinskia at gcc dot gnu.org [this message]
2015-09-02 8:33 ` pinskia at gcc dot gnu.org
2015-09-02 9:17 ` trippels at gcc dot gnu.org
2015-09-02 10:15 ` xuejuncao at gmail dot com
2015-09-02 10:20 ` rguenth at gcc dot gnu.org
2015-09-02 10:59 ` xuejuncao at gmail dot com
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